Current local time in San Juan, Puerto Rico
San Juan, the capital of Puerto Rico, is on Atlantic Standard Time (UTC−4) all year round. The clock below is live and uses your browser’s time zone database.
Key facts
- Time zone
- Atlantic Standard TimeIANA: America/Puerto_Rico
- UTC offset
- UTC−4same all year
- Next clock change
- None scheduledNo daylight saving here
- Sunrise · Sunset today
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- Country
- Puerto RicoNorth America · capital city
- Population
- 418,000city proper, GeoNames
- Dialling code
- ++1-787 and 1-939currency: Dollar (USD)
- Coordinates
- 18.47° N, 66.11° WNorthern Hemisphere
The sun in San Juan today
- First light (civil dawn)
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- Sunrise
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- Solar noon
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- Sunset
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- Last light (civil dusk)
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- Day length
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Times are for the city centre, calculated with the NOAA solar formulas (accurate to about a minute; hills and tall buildings can change what you see). How we calculate
Time difference from San Juan
Live · office hours 9:00–18:00
| City | Local time | vs San Juan | Office hours overlap |
|---|---|---|---|
| GB London | --:-- | 5h ahead | 4h |
| US New York | --:-- | same time | 9h |
| US Los Angeles | --:-- | 3h behind | 6h |
| FR Paris | --:-- | 6h ahead | 3h |
| AE Dubai | --:-- | 8h ahead | 1h |
| IN New Delhi | --:-- | 9h 30m ahead | None |
| SG Singapore | --:-- | 12h ahead | None |
| CN Shanghai | --:-- | 12h ahead | None |
| JP Tokyo | --:-- | 13h ahead | None |
| KR Seoul | --:-- | 13h ahead | None |
| AU Sydney | --:-- | 14h ahead | None |
| BR São Paulo | --:-- | 1h ahead | 8h |
Need another city? Time difference tool →
Best time to call San Juan
Open in meeting planner →Each row is the same moment. Blue cells are working hours (9:00–18:00) in that city; solid blue means everyone is at work.
Daylight saving time in San Juan
San Juan does not use daylight saving time — clocks stay on UTC−4 all year. When other countries change their clocks, the time difference to San Juan shifts by an hour for them, not here.
Dates come from the IANA time zone database. Governments occasionally change the rules at short notice; your browser picks up updates automatically.
About time in San Juan
All of Puerto Rico keeps the same standard time as San Juan (UTC−4).
Sunrise and sunset in San Juan, 2026
On the 1st of each month, local time
| Month | Sunrise | Sunset | Day length |
|---|---|---|---|
| January | 06:56 | 17:59 | 11h 03m |
| February | 06:57 | 18:18 | 11h 20m |
| March | 06:43 | 18:30 | 11h 47m |
| April | 06:18 | 18:37 | 12h 19m |
| May | 05:57 | 18:45 | 12h 49m |
| June | 05:47 | 18:57 | 13h 10m |
| July | 05:51 | 19:04 | 13h 13m |
| August | 06:02 | 18:59 | 12h 57m |
| September | 06:10 | 18:39 | 12h 29m |
| October | 06:14 | 18:13 | 11h 58m |
| November | 06:24 | 17:51 | 11h 28m |
| December | 06:40 | 17:46 | 11h 06m |
Longest day: around 21 June 2026, 13h 14m of daylight (sunrise 05:48, sunset 19:03). Shortest day: around 21 December 2026, 11h 01m.
Nearby cities
Straight-line distance and time difference
How long from San Juan?
All 8 ways to travel →Questions about time in San Juan
What time zone is San Juan in?
San Juan uses the America/Puerto Rico time zone (Atlantic Standard Time, AST), UTC−4.
Does San Juan observe daylight saving time?
No. San Juan stays on UTC−4 all year.
What is the time difference between San Juan and New York?
Right now San Juan and New York are on the same time. The gap can change by an hour for a few weeks a year, because New York uses daylight saving time and San Juan does not.
What is the time difference between San Juan and London?
London is 5h ahead of San Juan right now. Office hours overlap for about 4 hours a day.
When is sunrise and sunset in San Juan?
It depends on the season. Around 21 June 2026 the sun rises about 05:48 and sets about 19:03 (13h 14m of daylight); around 21 December 2026 it rises about 06:51 and sets about 17:53 (11h 01m).
Answers reflect the rules in force when this page was built; the live clock and next change above always use the current rules in your browser.